<template>
  <div>
    <!--    搜索表单-->
    <div style="margin-bottom: 20px">
      <el-input style="width: 240px" placeholder="请输入类名" v-model="params.name"></el-input>
      <el-button style="margin-left: 5px" type="primary" @click="load"><i class="el-icon-search"></i>搜索</el-button>
      <el-button style="margin-left: 5px" type="warning" @click="reset"><i class="el-icon-refresh"></i>重置</el-button>
    </div>


    <el-table :data="tableData" stripe row-key = "id" default-expand-all >
      <el-table-column prop="id" label="编号" width="80px"></el-table-column>
      <el-table-column prop="name" label="类名"></el-table-column>
      <el-table-column prop="remark" label="备注"></el-table-column>

      <el-table-column label="操作" width="280">
        <template v-slot="scope">
          <el-button type="success"  v-if="!scope.row.pid"  @click="handleAdd(scope.row)">添加二级分类</el-button>
          <el-button type="primary" @click="$router.push('/editCategory?id=' + scope.row.id)">编辑</el-button>
          <el-popconfirm
              style="margin-left: 5px"
              title="您确定要删除这行数据吗?"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除</el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <!--    分页-->
    <div style="margin-top: 20px">
      <el-pagination
          background
          :current-page="params.pageNum"
          :page-size="params.pageSize"
          layout="prev, pager, next"
          @current-change ="handleCurrentChange"
          :total="total">
      </el-pagination>
    </div>

    <el-dialog title="添加二级分类" :visible.sync="dialogFormVisible" width="30%">
      <el-form :model="form" label-width="100px" ref="ruleForm" :rules="rules" style="width: 85%">
        <el-form-item label="分类名称" prop="name">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="分类备注" prop="remark">
          <el-input v-model="form.remark" autocomplete="off" ></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import request from "@/utils/request";
import Cookies from "js-cookie";
import {Row} from "element-ui";


export default {
  name: 'CategoryList',
  data(){
    return{
      admin:Cookies.get('admin')?JSON.parse(Cookies.get('admin')):{},
      tableData:[],
      total:0,
      dialogFormVisible: false,
      form: {},
      pid:null ,
      params:{
        pageNum:1,
        pageSize:10,
        name: '',
      },
      rules: {
        name: [
          {required: true, message: '请输入分类名称', trigger: 'blur'}
        ]
      }
    }
  },
  created() {
    this.load()
  },
  methods:{
   
    load(){
      request.get('/category/page',{
        params:this.params
      }).then(res => {
        if (res.code === '200'){
          this.tableData = res.data.list
          this.total = res.data.total
        }
      })
    },
    reset(){
      this.params = {
        pageNum:1,
        pageSize:10,
        name: '',
      }
      this.load()
    },
    handleCurrentChange(pageNum){
      this.params.pageNum = pageNum
      this.load()
    },
    del(id) {
      request.delete("/category/delete/"+id).then(res=>{
        if(res.code === '200'){
          this.$notify.success('删除成功')
          this.load()
        } else {
            this.$notify.error(res.msg)
        }
      })
    },
    handleAdd(row){
      this.pid = row.id
      this.dialogFormVisible = true
    },
    save() {
      this.$refs['ruleForm'].validate((valid) => {
        if(valid){
          this.form.pid = this.pid
          request.post('/category/save',this.form).then(res=>{
            if (res.code ==='200'){
              this.$notify.success('新增二级分类成功')
              this.$refs['ruleForm'].resetFields()
              this.dialogFormVisible = false
              this.load()
            } else {
              this.$notify.error(res.msg)
            }
          })
        }
      })

    },

  }

}
</script>

<style scoped>

</style>